Changes for page LMDS200 -- LoRaWAN Microwave Radar Distance Sensor User Manual

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Details

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Title

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1		-LDDS20 - LoRaWAN Ultrasonic Liquid Level Sensor User Manual
	1	+LDDS75 - LoRaWAN Distance Detection Sensor User Manual

Content

...	...	@@ -1,97 +1,54 @@
1	1	(% style="text-align:center" %)
2		-[[image:1655254599445-662.png]]
	2	+[[image:1654846127817-788.png]]
3	3
	4	+**Contents:**
4	4
5	5
6	6
7		-**Table of Contents:**
8	8
9	9
10	10
11	11
12	12
13		-
14		-
15		-
16	16	= 1.  Introduction =
17	17
18		-== 1.1 ​ What is LoRaWAN Ultrasonic liquid level Sensor ==
	15	+== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
19	19
20	20	(((
21	21
22	22
23	23	(((
24		-(((
25		-(((
26		-The Dragino LDDS20 is a (% style="color:#4472c4" %)**LoRaWAN Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:#4472c4" %)**none-contact method **(%%)to measure the height of liquid in a container without opening the container, and send the value via LoRaWAN network to IoT Server
27		-)))
	21	+The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
28	28
29		-(((
30		-
31		-)))
32	32
33		-(((
34		-The LDDS20 sensor is installed directly below the container to detect the height of the liquid level. User doesn’t need to open a hole on the container to be tested. The (% style="color:#4472c4" %)**none-contact measurement makes the measurement safety, easier and possible for some strict situation**.
35		-)))
	24	+It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
36	36
37		-(((
38		-
39		-)))
40	40
41		-(((
42		-LDDS20 uses ultrasonic sensing technology for distance measurement. LDDS20 is of high accuracy to measure various liquid such as: (% style="color:#4472c4" %)**toxic substances**(%%), (% style="color:#4472c4" %)**strong acids**(%%), (% style="color:#4472c4" %)**strong alkalis**(%%) and (% style="color:#4472c4" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
43		-)))
	27	+The LoRa wireless technology used in LDDS75 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
44	44
45		-(((
46		-
47		-)))
48	48
49		-(((
50		-The LoRa wireless technology used in LDDS20 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
51		-)))
	30	+LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
52	52
53		-(((
54		-
55		-)))
56	56
57		-(((
58		-LDDS20 is powered by (% style="color:#4472c4" %)**8500mA Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
59		-)))
	33	+Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
60	60
61		-(((
62		-
63		-)))
64	64
65		-(((
66		-Each LDDS20 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
	36	+(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
67	67	)))
68		-
69		-(((
70		-
71	71	)))
72		-)))
73	73
74		-(((
75		-(((
76		-(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
77		-)))
78		-)))
79		-)))
80		-)))
81	81
	41	+[[image:1654847051249-359.png]]
82	82
83		-[[image:1655255122126-327.png]]
84	84
85	85
86		-
87	87	== ​1.2  Features ==
88	88
89	89	* LoRaWAN 1.0.3 Class A
90	90	* Ultra low power consumption
91		-* Liquid Level Measurement by Ultrasonic technology
92		-* Measure through container, No need to contact Liquid.
93		-* Valid level range 20mm - 2000mm
94		-* Accuracy: ±(5mm+S*0.5%) (S: Measure Value)
	49	+* Distance Detection by Ultrasonic technology
	50	+* Flat object range 280mm - 7500mm
	51	+* Accuracy: ±(1cm+S*0.3%) (S: Distance)
95	95	* Cable Length : 25cm
96	96	* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
97	97	* AT Commands to change parameters
...	...	@@ -98,113 +98,37 @@
98	98	* Uplink on periodically
99	99	* Downlink to change configure
100	100	* IP66 Waterproof Enclosure
101		-* 8500mAh Battery for long term use
	58	+* 4000mAh or 8500mAh Battery for long term use
102	102
103	103
104		-== 1.3  Suitable Container & Liquid ==
	61	+== 1.3  Specification ==
105	105
106		-* Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
107		-* Container shape is regular, and surface is smooth.
108		-* Container Thickness:
109		-** Pure metal material.  2~~8mm, best is 3~~5mm
110		-** Pure non metal material: <10 mm
111		-* Pure liquid without irregular deposition.
	63	+=== 1.3.1  Rated environmental conditions ===
112	112
	65	+[[image:image-20220610154839-1.png]]
113	113
114		-== 1.4  Mechanical ==
	67	+**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
115	115
116		-[[image:image-20220615090910-1.png]]
	69	+**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
117	117
118	118
119		-[[image:image-20220615090910-2.png]]
120	120
	73	+=== 1.3.2  Effective measurement range Reference beam pattern ===
121	121
	75	+**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
122	122
123		-== 1.5  Install LDDS20 ==
124	124
125	125
126		-(% style="color:blue" %)**Step 1**(%%):  Choose the installation point.
	79	+[[image:1654852253176-749.png]]
127	127
128		-LDDS20 (% style="color:red" %)**MUST**(%%) be installed on the container bottom middle position.
129	129
130		-[[image:image-20220615091045-3.png]]
	82	+**(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
131	131
132	132
	85	+[[image:1654852175653-550.png]](% style="display:none" %) ** **
133	133
134		-(% style="color:blue" %)**Step 2**(%%): Polish the installation point.
135	135
136		-For Metal Surface with paint, it is important to polish the surface, first use crude sand paper to polish the paint level , then use exquisite sand paper to polish the metal level to make it shine & smooth.
137	137
138		-[[image:image-20220615092010-11.png]]
139		-
140		-
141		-No polish needed if the container is shine metal surface without paint or non-metal container.
142		-
143		-[[image:image-20220615092044-12.png]]
144		-
145		-
146		-(% style="color:blue" %)**Step3: **(%%)Test the installation point.
147		-
148		-Power on LDDS75, check if the blue LED is on, If the blue LED is on, means the sensor works. Then put ultrasonic coupling paste on the sensor and put it tightly on the installation point.
149		-
150		-
151		-It is necessary to put the coupling paste between the sensor and the container, otherwise LDDS20 won’t detect the liquid level.
152		-
153		-
154		-
155		-|(((
156		-BLUE LED
157		-)))
158		-
159		-[[image:image-20220615091045-6.png]] [[image:image-20220615091045-7.png]]
160		-
161		-
162		-
163		-After paste the LDDS20 well, power on LDDS20. In the first 30 seconds of booting, device will check the sensors status and BLUE LED will show the status as below. After 30 seconds, BLUE LED will be off to save battery life.
164		-
165		-
166		-(% style="color:blue" %)LED Status:
167		-
168		-* Onboard LED: When power on device, the onboard LED will fast blink 4 times which means detect the sensor well.
169		-
170		-* (% style="color:blue" %)BLUE LED(% style="color:red" %) always ON(%%): Sensor is power on but doesn’t detect liquid. There is problem in installation point.
171		-* (% style="color:blue" %)BLUE LED(% style="color:red" %) slowly blinking(%%): Sensor detects Liquid Level, The installation point is good.
172		-
173		-LDDS20 will enter into low power mode at 30 seconds after system reset or power on, Blue LED will be off after that.
174		-
175		-Note 2:
176		-
177		-Ultrasonic coupling paste is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
178		-
179		-
180		-(% style="color:blue" %)**Step4: **(%%)Install use Epoxy ab glue.
181		-
182		-[[image:image-20220615091045-8.png]]
183		-
184		-Prepare Eproxy AB glue.
185		-
186		-
187		-Put Eproxy AB glue in the sensor and press it hard on the container installation point.
188		-
189		-
190		-Reset LDDS20 and see if the BLUE LED is slowly blinking.
191		-
192		-[[image:image-20220615091045-9.png]]
193		-
194		-(% style="color:red" %)Note1:
195		-
196		-Eproxy AB glue needs 3~~ 5 minutes to stable attached. we can use other glue material to keep it in the position.
197		-
198		-
199		-(% style="color:red" %)Note 2:
200		-
201		-(% style="color:blue" %)Eproxy AB glue(%%) is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
202		-
203		-
204		-
205		-
206		-
207		-
208	208	== 1.5 ​ Applications ==
209	209
210	210	* Horizontal distance measurement
...	...	@@ -217,6 +217,7 @@
217	217	* Sewer
218	218	* Bottom water level monitoring
219	219
	101	+
220	220	== 1.6  Pin mapping and power on ==
221	221
222	222
...	...	@@ -253,8 +253,6 @@
253	253	)))
254	254
255	255	(((
256		-
257		-
258	258	(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
259	259	)))
260	260
...	...	@@ -265,19 +265,11 @@
265	265	[[image:image-20220607170145-1.jpeg]]
266	266
267	267
268		-(((
269	269	For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
270		-)))
271	271
272		-(((
273	273	Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
274		-)))
275	275
276		-(((
277		-
278		-
279	279	**Add APP EUI in the application**
280		-)))
281	281
282	282	[[image:image-20220610161353-4.png]]
283	283
...	...	@@ -320,15 +320,11 @@
320	320	== 2.3  ​Uplink Payload ==
321	321
322	322	(((
323		-(((
324	324	LDDS75 will uplink payload via LoRaWAN with below payload format:
325		-)))
326	326
327		-(((
328	328	Uplink payload includes in total 4 bytes.
329	329	Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
330	330	)))
331		-)))
332	332
333	333	(((
334	334
...	...	@@ -339,12 +339,12 @@
339	339	**Size (bytes)**
340	340	)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
341	341	|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
342		-[[Distance>>||anchor="H2.3.2A0Distance"]]
	210	+[[Distance>>||anchor="H2.3.3A0Distance"]]
343	343
344	344	(unit: mm)
345		-)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
346		-[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
347		-)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
	213	+)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
	214	+[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
	215	+)))|[[Sensor Flag>>path:#Sensor_Flag]]
348	348
349	349	[[image:1654850511545-399.png]]
350	350
...	...	@@ -363,21 +363,18 @@
363	363
364	364	=== 2.3.2  Distance ===
365	365
366		-(((
367	367	Get the distance. Flat object range 280mm - 7500mm.
368		-)))
369	369
370		-(((
371	371	For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
372		-)))
373	373
374	374
375	375	* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
376	376	* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
377	377
	242	+
378	378	=== 2.3.3  Interrupt Pin ===
379	379
380		-This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
	245	+This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
381	381
382	382	**Example:**
383	383
...	...	@@ -403,18 +403,14 @@
403	403
404	404	=== 2.3.5  Sensor Flag ===
405	405
406		-(((
407	407	0x01: Detect Ultrasonic Sensor
408		-)))
409	409
410		-(((
411	411	0x00: No Ultrasonic Sensor
412		-)))
413	413
414	414
	276	+===
	277	+(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
415	415
416		-=== 2.3.6  Decode payload in The Things Network ===
417		-
418	418	While using TTN network, you can add the payload format to decode the payload.
419	419
420	420
...	...	@@ -422,9 +422,7 @@
422	422
423	423	The payload decoder function for TTN V3 is here:
424	424
425		-(((
426	426	LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
427		-)))
428	428
429	429
430	430
...	...	@@ -950,20 +950,14 @@
950	950	* Solid ON for 5 seconds once device successful Join the network.
951	951	* Blink once when device transmit a packet.
952	952
	812	+
953	953	== 2.8  ​Firmware Change Log ==
954	954
955	955
956		-(((
957	957	**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
958		-)))
959	959
960		-(((
961		-
962		-)))
963	963
964		-(((
965	965	**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
966		-)))
967	967
968	968
969	969
...	...	@@ -972,13 +972,11 @@
972	972
973	973	[[image:image-20220610172003-1.png]]
974	974
975		-
976	976	[[image:image-20220610172003-2.png]]
977	977
978	978
	831	+== 2.10  Battery Analysis ==
979	979
980		-== 2.10  Battery Analysis ==
981		-
982	982	=== 2.10.1  Battery Type ===
983	983
984	984	The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
...	...	@@ -987,7 +987,7 @@
987	987	The battery related documents as below:
988	988
989	989	* (((
990		-[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
	841	+[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
991	991	)))
992	992	* (((
993	993	[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
...	...	@@ -1003,7 +1003,7 @@
1003	1003	=== 2.10.2  Replace the battery ===
1004	1004
1005	1005	(((
1006		-You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won't be voltage drop between battery and main board.
	857	+You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
1007	1007	)))
1008	1008
1009	1009	(((
...	...	@@ -1011,12 +1011,12 @@
1011	1011	)))
1012	1012
1013	1013	(((
1014		-The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
	865	+The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
1015	1015	)))
1016	1016
1017	1017
1018	1018
1019		-= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
	870	+= 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
1020	1020
1021	1021	(((
1022	1022	(((
...	...	@@ -1026,7 +1026,7 @@
1026	1026
1027	1027	* (((
1028	1028	(((
1029		-AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
	880	+AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
1030	1030	)))
1031	1031	)))
1032	1032	* (((
...	...	@@ -1107,9 +1107,7 @@
1107	1107	[[image:image-20220610172924-5.png]]
1108	1108
1109	1109
1110		-(((
1111	1111	In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
1112		-)))
1113	1113
1114	1114
1115	1115	[[image:image-20220610172924-6.png||height="601" width="860"]]
...	...	@@ -1125,6 +1125,8 @@
1125	1125	[[image:image-20220610173409-7.png]]
1126	1126
1127	1127
	977	+
	978	+
1128	1128	(((
1129	1129	(% style="color:#037691" %)**Downlink Command: 0x01**
1130	1130	)))
...	...	@@ -1133,104 +1133,293 @@
1133	1133	(((
1134	1134	Format: Command Code (0x01) followed by 3 bytes time value.
1135	1135
1136		-(((
1137	1137	If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1138		-)))
1139	1139
1140	1140	* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1141	1141	* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1142	1142	)))
	992	+
	993	+
	994	+
1143	1143	)))
1144	1144
	997	+== 3.3  Get Firmware Version Info ==
1145	1145
	999	+Feature: use downlink to get firmware version.
1146	1146
	1001	+(% style="color:#037691" %)**Downlink Command: 0x26**
1147	1147
	1003	+[[image:image-20220607171917-10.png]]
1148	1148
1149		-== 3.3  Set Interrupt Mode ==
	1005	+* Reply to the confirmation package: 26 01
	1006	+* Reply to non-confirmed packet: 26 00
1150	1150
1151		-Feature, Set Interrupt mode for GPIO_EXIT.
	1008	+Device will send an uplink after got this downlink command. With below payload:
1152	1152
1153		-(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
	1010	+Configures info payload:
1154	1154
1155		-[[image:image-20220610174917-9.png]]
	1012	+(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
	1013	+|=(((
	1014	+**Size(bytes)**
	1015	+)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
	1016	+|**Value**|Software Type|(((
	1017	+Frequency
1156	1156
	1019	+Band
	1020	+)))|Sub-band|(((
	1021	+Firmware
1157	1157
1158		-(% style="color:#037691" %)**Downlink Command: 0x06**
	1023	+Version
	1024	+)))|Sensor Type|Reserve|(((
	1025	+[[Message Type>>||anchor="H2.3.7A0MessageType"]]
	1026	+Always 0x02
	1027	+)))
1159	1159
1160		-Format: Command Code (0x06) followed by 3 bytes.
	1029	+**Software Type**: Always 0x03 for LLDS12
1161	1161
	1031	+
	1032	+**Frequency Band**:
	1033	+
	1034	+*0x01: EU868
	1035	+
	1036	+*0x02: US915
	1037	+
	1038	+*0x03: IN865
	1039	+
	1040	+*0x04: AU915
	1041	+
	1042	+*0x05: KZ865
	1043	+
	1044	+*0x06: RU864
	1045	+
	1046	+*0x07: AS923
	1047	+
	1048	+*0x08: AS923-1
	1049	+
	1050	+*0x09: AS923-2
	1051	+
	1052	+*0xa0: AS923-3
	1053	+
	1054	+
	1055	+**Sub-Band**: value 0x00 ~~ 0x08
	1056	+
	1057	+
	1058	+**Firmware Version**: 0x0100, Means: v1.0.0 version
	1059	+
	1060	+
	1061	+**Sensor Type**:
	1062	+
	1063	+0x01: LSE01
	1064	+
	1065	+0x02: LDDS75
	1066	+
	1067	+0x03: LDDS20
	1068	+
	1069	+0x04: LLMS01
	1070	+
	1071	+0x05: LSPH01
	1072	+
	1073	+0x06: LSNPK01
	1074	+
	1075	+0x07: LLDS12
	1076	+
	1077	+
	1078	+
	1079	+= 5.  Battery & How to replace =
	1080	+
	1081	+== 5.1  Battery Type ==
	1082	+
1162	1162	(((
1163		-This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
	1084	+LLDS12 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
1164	1164	)))
1165	1165
1166		-* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1167		-* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
	1087	+(((
	1088	+The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
	1089	+)))
1168	1168
1169		-= 4.  FAQ =
	1091	+[[image:1654593587246-335.png]]
1170	1170
1171		-== 4.1  What is the frequency plan for LDDS75? ==
1172	1172
1173		-LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
	1094	+Minimum Working Voltage for the LLDS12:
1174	1174
	1096	+LLDS12:  2.45v ~~ 3.6v
1175	1175
1176	1176
1177		-== 4.2  How to change the LoRa Frequency Bands/Region ==
1178	1178
1179		-You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1180		-When downloading the images, choose the required image file for download. ​
	1100	+== 5.2  Replace Battery ==
1181	1181
	1102	+(((
	1103	+Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
	1104	+)))
1182	1182
	1106	+(((
	1107	+And make sure the positive and negative pins match.
	1108	+)))
1183	1183
1184		-== 4.3  Can I use LDDS75 in condensation environment? ==
1185	1185
1186		-LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1187	1187
	1112	+== 5.3  Power Consumption Analyze ==
1188	1188
	1114	+(((
	1115	+Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
	1116	+)))
1189	1189
1190		-= 5.  Trouble Shooting =
	1118	+(((
	1119	+Instruction to use as below:
	1120	+)))
1191	1191
1192		-== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1193	1193
1194		-It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
	1123	+**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1195	1195
	1125	+[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
1196	1196
1197		-== 5.2  AT Command input doesn't work ==
1198	1198
	1128	+**Step 2**: Open it and choose
	1129	+
	1130	+* Product Model
	1131	+* Uplink Interval
	1132	+* Working Mode
	1133	+
	1134	+And the Life expectation in difference case will be shown on the right.
	1135	+
	1136	+[[image:1654593605679-189.png]]
	1137	+
	1138	+
	1139	+The battery related documents as below:
	1140	+
	1141	+* (((
	1142	+[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
	1143	+)))
	1144	+* (((
	1145	+[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
	1146	+)))
	1147	+* (((
	1148	+[[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
	1149	+)))
	1150	+
	1151	+[[image:image-20220607172042-11.png]]
	1152	+
	1153	+
	1154	+
	1155	+=== 5.3.1  ​Battery Note ===
	1156	+
	1157	+(((
	1158	+The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
	1159	+)))
	1160	+
	1161	+
	1162	+
	1163	+=== ​5.3.2  Replace the battery ===
	1164	+
	1165	+(((
	1166	+You can change the battery in the LLDS12.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
	1167	+)))
	1168	+
	1169	+(((
	1170	+The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
	1171	+)))
	1172	+
	1173	+
	1174	+
	1175	+= 6.  Use AT Command =
	1176	+
	1177	+== 6.1  Access AT Commands ==
	1178	+
	1179	+LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
	1180	+
	1181	+[[image:1654593668970-604.png]]
	1182	+
	1183	+**Connection:**
	1184	+
	1185	+(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
	1186	+
	1187	+(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
	1188	+
	1189	+(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
	1190	+
	1191	+
	1192	+(((
	1193	+(((
	1194	+In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
	1195	+)))
	1196	+
	1197	+(((
	1198	+LLDS12 will output system info once power on as below:
	1199	+)))
	1200	+)))
	1201	+
	1202	+
	1203	+ [[image:1654593712276-618.png]]
	1204	+
	1205	+Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
	1206	+
	1207	+
	1208	+= 7.  FAQ =
	1209	+
	1210	+== 7.1  How to change the LoRa Frequency Bands/Region ==
	1211	+
	1212	+You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
	1213	+When downloading the images, choose the required image file for download. ​
	1214	+
	1215	+
	1216	+= 8.  Trouble Shooting =
	1217	+
	1218	+== 8.1  AT Commands input doesn’t work ==
	1219	+
	1220	+
	1221	+(((
1199	1199	In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
	1223	+)))
1200	1200
	1225	+
	1226	+== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
	1227	+
	1228	+
1201	1201	(((
	1230	+(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
	1231	+)))
	1232	+
	1233	+(((
	1234	+Troubleshooting: Please avoid use of this product under such circumstance in practice.
	1235	+)))
	1236	+
	1237	+(((
1202	1202
1203	1203	)))
1204	1204
	1241	+(((
	1242	+(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
	1243	+)))
1205	1205
1206		-= 6.  Order Info =
	1245	+(((
	1246	+Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
	1247	+)))
1207	1207
1208	1208
1209		-Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1210	1210
	1251	+= 9.  Order Info =
1211	1211
1212		-(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1213	1213
1214		-* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1215		-* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1216		-* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1217		-* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1218		-* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1219		-* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1220		-* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1221		-* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
	1254	+Part Number: (% style="color:blue" %)**LLDS12-XX**
1222	1222
1223		-(% style="color:blue" %)**YY**(%%): Battery Option
1224	1224
1225		-* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1226		-* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
	1257	+(% style="color:blue" %)**XX**(%%): The default frequency band
1227	1227
1228		-= 7. ​ Packing Info =
	1259	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	1260	+* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
	1261	+* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
	1262	+* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
	1263	+* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
	1264	+* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
	1265	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	1266	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1229	1229
	1268	+= 10. ​ Packing Info =
1230	1230
	1270	+
1231	1231	**Package Includes**:
1232	1232
1233		-* LDDS75 LoRaWAN Distance Detection Sensor x 1
	1273	+* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1234	1234
1235	1235	**Dimension and weight**:
1236	1236
...	...	@@ -1239,7 +1239,7 @@
1239	1239	* Package Size / pcs : cm
1240	1240	* Weight / pcs : g
1241	1241
1242		-= 8.  ​Support =
	1282	+= 11.  ​Support =
1243	1243
1244	1244	* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1245	1245	* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].

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